Monica Marie Márquez (born April 20, 1969) is the chief justice of the Colorado Supreme Court.
Previously a deputy Colorado attorney general, she was appointed by Governor Bill Ritter to the Supreme Court in 2010 to fill the vacancy created by the retirement of Chief Justice Mary Mullarkey.
[3][4] She earned a bachelor's degree from Stanford University in 1991 before spending two years with the Jesuit Volunteer Corps, working with at-risk children in Camden, New Jersey, and Philadelphia.
[9] On September 8, 2010, Democratic governor Bill Ritter announced Márquez as his choice to replace Mullarkey.
[5] The appointment won praise from her former boss, Republican Colorado Attorney General John Suthers.